thorough

/ˈθʌɹə/

noun

Meaning

A furrow between two ridges, to drain off the surface water.

adjective

Meaning

Painstaking and careful not to miss or omit any detail.
"He is the most thorough worker I have ever seen."
Utter; complete; absolute.

Synonyms

comprehensive,

rigorous,

scrupulous,

downright,

outright,

unmitigated

preposition

Meaning

Through.